chore: fix python style violations

Co-authored-by: OpenAI/GPT-5.6-Terra <vibecoder@antoineve.me>
Co-authored-by: OpenAI/GPT-5.6-Luna <vibecoder@antoineve.me>
Co-authored-by: MiniMax/MiniMax-M3 <vibecoder@antoineve.me>
Co-authored-by: DeepSeek/DeepSeek-v4-Flash <vibecoder@antoineve.me>

app/business/leave_calc.py

@@ -1,34 +1,40 @@
-from app import db
-from app.models import WorkEntry, LeaveBalance
-import sqlalchemy as sa
 from datetime import date
 
+import sqlalchemy as sa
+
+from app import db
+from app.models import LeaveBalance, WorkEntry
+
 
 def compute_leave_used(year: int) -> dict[str, int]:
     start = date(year, 1, 1)
     end = date(year, 12, 31)
 
-    conges = db.session.scalar(
-        sa.select(sa.func.count()).where(
-            WorkEntry.date.between(start, end),
-            WorkEntry.day_type == "CONGE",
+    conges = (
+        db.session.scalar(
+            sa.select(sa.func.count()).where(
+                WorkEntry.date.between(start, end),
+                WorkEntry.day_type == "CONGE",
+            )
         )
-    ) or 0
+        or 0
+    )
 
-    rtt = db.session.scalar(
-        sa.select(sa.func.count()).where(
-            WorkEntry.date.between(start, end),
-            WorkEntry.day_type == "RTT",
+    rtt = (
+        db.session.scalar(
+            sa.select(sa.func.count()).where(
+                WorkEntry.date.between(start, end),
+                WorkEntry.day_type == "RTT",
+            )
         )
-    ) or 0
+        or 0
+    )
 
     return {"conges": conges, "rtt": rtt}
 
 
 def get_or_create_balance(year: int) -> LeaveBalance:
-    balance = db.session.scalar(
-        sa.select(LeaveBalance).where(LeaveBalance.year == year)
-    )
+    balance = db.session.scalar(sa.select(LeaveBalance).where(LeaveBalance.year == year))
     if balance is None:
         balance = LeaveBalance(year=year)
         db.session.add(balance)

app/business/travel_calc.py

@@ -32,7 +32,9 @@ def compute_co2_grams(km_by_vehicle: dict[str, int], vehicles: dict) -> float:
     return total
 
 
-def compute_frais_reels(total_km_moteur: float, tranches: list[dict], electric: bool = False) -> float:
+def compute_frais_reels(
+    total_km_moteur: float, tranches: list[dict], electric: bool = False
+) -> float:
     """
     Calcule les frais réels fiscaux selon le barème kilométrique.
     km_max = 0 signifie "pas de limite" (dernière tranche).